Furnace-grate.



E. KATZINGER. FURNACE GRATE.

APPLIOATION FILED MAB-.19, 1908.

926,335. Patented June 29,1909.

2 SHEETS-SHEET 1.

2 SHBETS-SHBET 2.

E. KATZING-ER. I

FURNAGE GBATE.

APPLICATION FILED MAR. 19, 1908.

Patented June 29, 1909.

lle'fiie sfsegs:

UNITED STATES PATENT @FFICE.

EDWARD KATZINGER, OF CHICAGO, ILLINOIS.

FURNACE-GRATE To all whom it may concern:

Be it known that I, EDWARD KATZINGER, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Furnace-Grates, of which the following is a specification.

This invention relates to improvements in furnace grates and the primary object of the invention is to provide improved means for cutting or crushing the clinkers.

A further object is to provide an improved grate which may be readily shaken and which may as readily be dumped.

A further object is to provide an improved device of this character which will be simple, durable and cheap in construction and effective and efficient in operation.

To the attainment of these ends and the accomplishment of other new and useful objects, as will appear, the invention consists in the features of novelty in the construction, combination and arrangement of the several parts hereinafter more fully described and claimed and shown in the accompanying drawings illustrating the embodiment of the invention, and in which Figure 1 is a top plan view of an improved grate of this character constructed in accordance with the principles of this invention. Fig. 2 is a longitudinal sectional view taken on line 22 of Fig. 1. Fig. 3 is a detail top plan View of the sliding or dump ing member. Fig. l is a detail bottom plan view of the sliding or dumping member.

Referring more particularly to the drawings and in the present exemplification of the invention, the numeral 10 designates a su ortin rin which is arovided with spaced teeth or projections arranged around the inner periphery thereof and which depend or are inclined downwardly from the top of the ringtoward the bottom, as shown more clearly in Fig. 2 of the drawings, and surrounding the periphery of the ring 10 is a circumferential projecting flange 12 which is adapted to rest upon any suitable support for sustaining the grate ring in position and Specification of Letters Patent.

Application filed March 19, 1908.

Patented June 29, 1909.

Serial No. 422,078.

when in position the fire brick lining of the furnace (not shown) is adapted to rest upon and be supported by the flange.

Depending from the inner edge of the ring 10 is a plurality of spaced arms or brackets 13 which extend for any desired distance below the ring and are provided with a laterally projecting extremity 14 extending toward the diametric center of the ring, and supported by these brackets so as to rest upon the laterally deflected portions 1% is a grate member 15 which is of a diameter somewhat smaller than the internal diameter of the supporting ring 10 and is provided with a plurality of spaced peripheral teeth or projections 16. The arms or brackets 13 are of such a length that when the grate member 15 is in position the upper surface of the member 15 will be located in a plane in close proximity to the free extremities of the depending teeth or projections 11 on the ring 10. The spaced peripheral teeth or projections 16 on the member 15 terminate short of the projections 11 on the ring 10 to form an annular space therebetwecn and through which the cinders and clinkers are adapted to pass when the latter are cut or crushed. The grate member 15 is also in the form of a ring and depending from the inner periphery of the ring are arms or brackets 17 which are preferably located diametrically opposite to each other and these arms or brackets are provided with laterally deflected portions 18 which extend toward the diametric center of the ring in a manner similar to the projections 14 on the arms or brackets 13. The member 15 is also provided with a plurality of teeth or projections 19, adjacent the inner periphery and between the arms or brackets 17, as shown more clearly .in Fig. 1.

A sliding member is provided with a body portion 20 which is of a width substantially equal to the width of the central opening in the grate member 15 and is provided with spaced arms 21 projecting rcarwardly therefrom. A tongue 22 is located centrally of and projects beyond the opposite edge of the body portion 20 and is provided in its free extremity with a socket 23 for the reception of a suitable tool 24: by means of which the member 20 may be manipulated in a manner to be set forth. Extending from the forward end of the body portion 20 are projections 25 which are spaced from the tongue 22 to form shoulders 26 and projecting from the lower face of the body portion 20 preferably adjacent the shoulders 26 are lugs or extensions 27. The sliding member is adapted to be supported by the grate member 15 so that the body portion will rest upon the laterally deflected extremities 18 of the arms or brackets 17 and when in this position the tongue 22 will project through a supporting yoke 28 which is secured to and depends from the grate member 15 adjacent the front thereof. Then the sliding member is in the position shown in Fig. 2 and in full lines in Fig. 1, the body portion 20 will form a closure for the central opening of the member 15 and the lugs or extensions 27 will engage and rest against the forward face of a portion of the arms or brackets 17, preferably the laterally deflected portion 18 thereof to limit the inward movement of the sliding member. The sides 29 of the yoke 28 are located in the path of the forward movement of the shoulders 26 so that when the sliding member is drawn forwardly into the position shown in dotted lines in Fig. l of the drawings, the sides 29 in the yoke will enter the space formed between the edges of the tongue 22 and the projections 25 so as to be engaged by the shoulders 26 to arrest the forward movement of the sliding member and during this forward movement the arms or projections 21 extending from the rear edge of the body portion 20 will move across the laterally deflected portions 18 of the arms or brackets 17 to support the body portion 20 and prevent accidental displacement thereof. The yoke 28 isso arranged as to extend from the periphery of the member 15 and project forwardly therefrom to assume a position substantially beneath the supporting ring 10.

When the parts are in the position shown in Fig. 2 and in full lines in Fig. 1, the grate member 15 together with the sliding member may be axially rotated by inserting the extremity of the tool 24 in the socket 23 in the extremity of the tongue 22. During thisaxial rotation of the grate member 15 thelatter will move across the laterally deflected portions 14 of the arms or brackets 13 and any clinkers which may have accumulated in the fire bed will tend to pass through the aperture between the periphery of the grate member 15 and the teeth or projections 11 on the supporting ring 10. When the clinkers have assumed a position adjacent the periphery of the grate member 15, the teeth or projections 16 will force the clinkers outwardly toward the teeth or projections 11 on the supporting ring and a further movement of the grate in the same direction will cause the clinkers to be cut or crushed between the edges of the cooper ating teeth or projections 16 and 11, and when out or crushed will fall through the opening between the grate member and. the ring. If desired, the grate member 15 and the body portion 20 of the sliding member may be provided respectively with openings 30, 31 through which the ashes will fall.

With this improved construction it will be apparent that the clinkers will be readily cut or crushed and when it is desired to remove the grate member 15 together with the sliding member this may be accomplished by raising the portion of the grate member 15 opposite the tongue 22 on the sliding member, off its supporting seat and then drawing the tongue or projection 22 through the supporting ring.

The flange 12 of the supporting ring 10 may be provided with a suitable indication, such as notch 32, in the periphery thereof by means of which the grate ring may be properly positioned within the furnace.

If desired, the depending arms or brackets 17 may be provided with a projecting rib 33 which is adapted to engage the side edges of the body portion 20 and the outer edges of the arms 21 as the body portion is moved, which serves to center or position the body portion during its movement.

In order that the invention might be fully understood the details of the foregoing embodiment thereof have been thus specifically described, but

That I claim as new is- In a grate, the combination of a supporting ring provided with depending brackets adjacent the inner periphery of the ring and having spaced projections on said periphery, an axially rotatable grate member supported by the brackets and being provided with spaced peripheral projections cooperating with the projections on the ring, said grate member being provided with a central opening, supporting brackets depending from the said grate member adjacent the opening, a yoke depending from the grate member adjacent the outer periphery thereof, the bottom of the yoke being located substantially in the same place as the supporting face of the last said brackets, a sliding member comprising a body portion and a forwardly projecting tongue supported by the said grate member with the body resting upon the brackets and the tongue extending through and supported by the yoke, there being a projection on each side of and spaced from the tongue and extending beyond the edge of the said body portion to form shoulders adapted to engage the sides of the yoke to limit the movement of the sliding member in the opposite direction, spaced arms projecting beyond the rear edge of the sliding member adapted to rest upon the brackets to support the rear edge of the sliding member When the latter is drawn forward and means projecting beyond the face of said body portion adapted to engage the edge of its supporting bracket to limit the movement of said member in the opposite direction.

In testimony whereof I have signed my name to this specification, in the presence of 15 two subscribing Witnesses, on this 14th day of March A. D. 1908.

EDVARD KATZINGER.

\Vitnesses J H. J ocIIUM, J12, CIIAS. H. SEEM. 

